Retort.



No. 701,885.- Patented June lo, |902.

E. H.v HOPKINS.

RETRT.

(Applicaltn led Oct. 1B, 1901.) (No Model.)

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UNITED Y STATESA PATENT OFFICE.

SPECIFICATIN forming part of Letters Patent N o. 701 ,885,'datedJ une10, 190,2.

Application filed Oct0her18,1901. Serial No. 79,091. (No 'modelJ To allwhom tr mai/jammern.- A y Be it known that I, EvAN HENRY HOPKINS, clerkin holyorders, a subject ofthe King of Great Britain, residing at 32Redclie Square,

South Kensington, in the county of Middlesex, England, have inventedcertain new and useful Improvements in Retorts, of which the followingis a specification.

The object of this invention is to construct a retort suitable for thedistillation of zinc'- lead ores.

' invention. l

'lhe retort is divided into two chambers a and b `by a partition c,which is perforated with small holes d for about two-thirds of thespace, leaving about onethird, the part near the opening, unperforated.The lower chamber a is forthe reception of the charge of the ores andcarbonaceous material and is pro- The ores are mixed with avcertain`quantity of carbonaceous material andplaced ',videdwitha door e, bymeansof which'it can beliermetically closed.;` The upper chamber b ispartiallyV filled'with fine lumps of charcoal or coke f,'well pressedtogether and kept from falling apart by a block g, which is secured inposition bylmeansof the groove h, vtting over the projection i. In theblock g lisa cavity k for the reception of the zinc, which becomesmolten after after passing from the incandescent carbon. Z is aplugholefor tapping the zinc. A condenser mis also provided to lead awayany gases or un.- condensed zinc.

"'lhefretort is made of a fire-resisting mate- EVAN HENRY y HOPKINS.

Witnesses: v

J. H. WHITEHEAD, F. C. WEATHERLY.

